<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>PDSU</title>
  </head>
  <body>
    <div class="a1">
      <div class="b1">
        <div class="e1">校园风光</div>
        <div class="e2">xiaoyuan1guang</div>
      </div>
      <div class="c1">
        <div class="f1"></div>
        <div class="f2">学术研究</div>
        <div class="f3"></div>
      </div>
      <div class="d1">
        <div class="g1">学生活动</div>
        <div class="g2"></div>
        <div class="g3"></div>
      </div>
    </div>
  </body>
  <style>
    .a1 {
      width: 1200px;
      height: 400px;
      background: blue;
      margin: auto;
    }
    .b1 {
      width: 300px;
      height: 400px;
      background: orangered;
      float: left;
    }
    .e1 {
      width: 300px;
      height: 200px;
      background: red;
      float: left;
      color: white;
      font-weight: 100;
      font-size: 40px;
      padding-top: 60px;
      padding-left: 55px;
      box-sizing: border-box;
    }
    .e2 {
      width: 300px;
      height: 200px;
      background: hotpink;
      float: left;
      color: white;
      font-weight: 100;
      font-size: 25px;
      font-style: italic;
      padding-top: 65px;
      padding-left: 50px;
      box-sizing: border-box;
      background-image: url("https://www.pdsu.edu.cn/images/fgt12.jpg");
    }
    .c1 {
      width: 900px;
      height: 200px;
      background: gold;
      float: left;
    }
    .d1 {
      width: 900px;
      height: 200px;
      background: gainsboro;
      float: left;
    }
    .f1 {
      width: 500px;
      height: 200px;
      background: gold;
      float: left;
      background-image: url("https://www.pdsu.edu.cn/images/fgt11.jpg");
    }
    .f2 {
      width: 150px;
      height: 200px;
      background: blueviolet;
      float: left;
      font-weight: 100;
      font-size: 40px;
    }
    .f3 {
      width: 250px;
      height: 200px;
      background: red;
      float: left;
      background-image: url("https://www.pdsu.edu.cn/images/1.JPG");
    }
    .g1 {
      width: 300px;
      height: 200px;
      background: gray;
      float: left;
      font-weight: 100;
      font-size: 40px;
      padding-top: 60px;
      padding-left: 55px;
      box-sizing: border-box;
    }
    .g2 {
      width: 300px;
      height: 200px;
      background: green;
      float: left;
      background-image: url("https://www.pdsu.edu.cn/images/fgt14.jpg");
    }
    .g3 {
      width: 300px;
      height: 200px;
      background: pink;
      float: left;
      background-image: url("https://www.pdsu.edu.cn/images/fgt13.jpg");
    }
  </style>
</html>
